serializers.py 文件源码

def validate(self, attrs):
        refresh_token = attrs['refresh_token']
        try:
            token = RefreshToken.objects.select_related('user').get(
                key=refresh_token)
        except RefreshToken.DoesNotExist:
            raise exceptions.AuthenticationFailed(_('Invalid token.'))
        attrs['user'] = token.user
        return attrs